Finding the Fourth Proportional to 4,878,732.93, 7,318,115.46 and 1,235,460.81
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Solution
The fourth proportional to 4,878,732.93, 7,318,115.46 and 1,235,460.81 is: 1,853,195.28
Step by Step Solution
- Step 1: Write the proportion equation
4,878,732.93 : 7,318,115.46 = 1,235,460.81 : x - Step 2: Convert to fraction form
4,878,732.93/7,318,115.46 = 1,235,460.81/x - Step 3: Cross multiply
4,878,732.93x = 7,318,115.46 × 1,235,460.81 - Step 4: Simplify right side
4,878,732.93x = 9,041,244,853,885.12 - Step 5: Solve for x
x = 9,041,244,853,885.12/4,878,732.93 - Step 6: Final answer
x = 1,853,195.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.